| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Panasonic | TX25MD4 | reverts to st/by aft few secs | Dry joints around FOP chip IV451 (could only be seen with magnifier) | ||
| Panasonic | TX25MD3 Euro2M | No sound or vis. Stby LED on & "flicking" approx every sec. Relay not triggering. Set works ok if relay is bypassed & set taken out of stby | Replace leaky diode D814 (1SS133T-77) mounted across the relay coil. | ||
| PANASONIC | TX25MD3 | SOUND BUT NO PICTURE | CHECK R507 3.3 OHM | ||
| Panasonic | TX25MD3 | No start up until warm | 2 x 100µ caps in PSU pri | ||
| Panasonic | TX25MD3 | GHOST IMAGE ON SCREEN | DISCONNECT SCART LEADS | ||
| Panasonic | TX25MD3 | Field scan flshes & no sound when cold | IC601 VDP3108APPA1 vid proc chip - kit pt no TZS9EK002-2 which includes EEPROM - only fit EEPROM if orig chip type = VDP3108-29 | ||
| Panasonic | TX25MD1/M | Line twitch - like loss of sync | Replace IC601 @ £27 + vat | ||
| Panasonic | TX25MD1 | Sound distorted & low | IC2101 MSP3410-15 64 pin device - don't order from SALI cd -wrong | ||
| Panasonic | TX25MD1 | RGB LINES AT TOP OF SCREEN | REPLACE D454 AND D456 | ||
| Panasonic | TX25MD1 | GREEN SPECKLES ON RF AND SCART | REPLACE IC601 | ||
| Panasonic | TX25MD1 | Field - 2 flashing col lines across centre of screen & lin problems on some pics | replace TDA8175 with pana spec type and check/replace D456 16v zener (MA2160B) s/c & change C456 (220uF 50v) | ||
| Panasonic | TX25MD1 | DEAD FUSE BLOWN | REPLACE POSISTOR R808 | ||
| Panasonic | TX25MD1 | Dead | TDA8175 field ic faulty & D456 MA2160 zener s/c | ||
| Panasonic | TX25D1/BH | St/by only | TDA8175 fop chip (with "3" prefix), 1.25A wickman fuse off chopper tfmr o/c, D456 zener 16v MAZ160 s/c & check R472 4R7 hi res & 220µ 50v cap | ||
| Panasonic | TX25AD2DP Euro 2 | Line jitter - int | Fit mod kit TXS9EK002-2; but do not replace EEPROM on this model or sound will be lost (Pro Logic version) |